Hi Yanping: I don't quite get your idea. Last year I had a design and POC which enables user space virtio interface in container. Don't know if it has similarity with your proposal. Would post the idea later in the following mail.
> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Zhuangyanying > Sent: Thursday, August 20, 2015 3:50 PM > To: dev at dpdk.org > Cc: gaoxiaoqiu; Zhangbo (Oscar); Zhbzg; Guohongzhen; Zhoujingbin > Subject: [dpdk-dev] [RFC] combining dpdk with ovs via vhost_net > > Hi all: > AFAIK, nowadays there's only one solution to apply DPDK into Docker > Containers, which is Passing-Through physical NIC to applications. > I'm now working on another solution, considering combining DPDK and > OVS via vhost-net, I name it "vhost_net pmd driver". > The detailed solution is as follows: > 1 Similar to the process of qemu<->vhost_net, we use a serial of ioctl > commands to make virtqueue visible to both vhost_net and vhost_net pmd > driver. > 2 In kvm guests, the tx/rx queue is consisted of GPA addresses, and the > vhost_net will transform it into HVA addresses, then the tap device could > copy datagram afterwards. However, GPA addresses are not necessary for > containers to fulfill the tx/rx queue. Thus, we fake it to fulfill the HVA > addresses into the tx/rx queues, and pass the (HVA, HVA) map table to > vhost_net by VHOST_SET_MEM_TABLE ioctl during initialization. Thus *the > vhost_net codes could keep untouched*. > 3 the packet-transceiver-process is totally the same to virtio pmd driver. > > The demo has been worked out already. In the demo, the dpdk could > directly access vhost_net to realize L2 forward. > clients | host | contrainer > ping | | > vm0 ----- > |ixgbe:enp131s0f0 <-> ovs:br0 <-> vhost:tap0 |<-> vhost-net > pmd > | | | > | | testpmd > | | | > vm1 <------ |ixgbe:enp131s0f1 <-> ovs:br1 <-> vhost:tap1 |<-> vhost-net > pmd > | | > > I don't know wheter this solution is acceptable here. Any blueprints for > combining container with dpdk? any suggestions or advices? Thanks in > advance. > > > --- > Ann
